H04B 1/0025
Using a sampling rate lower than twice the highest frequency component of
Official title: {using a sampling rate lower than twice the highest frequency component of the sampled signal (for demodulation of angle-modulated signals H03D3/006)}
H04B1/0025 (Using a sampling rate lower than twice the highest frequency component of) appears on 92 US grants and 81 published applications in this corpus.
Search patents in H04B- Granted patents
- 92
- Published applications
- 81
- Assignees
- 57
- Inventors
- 175
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 6 |
| 2003 | 2 | 3 |
| 2004 | 3 | 0 |
| 2005 | 2 | 4 |
| 2006 | 4 | 4 |
| 2007 | 2 | 3 |
| 2008 | 3 | 4 |
| 2009 | 3 | 1 |
| 2010 | 2 | 4 |
| 2011 | 6 | 5 |
| 2012 | 2 | 3 |
| 2013 | 5 | 3 |
| 2014 | 4 | 4 |
| 2015 | 5 | 7 |
| 2016 | 10 | 5 |
| 2017 | 3 | 3 |
| 2018 | 3 | 4 |
| 2019 | 5 | 0 |
| 2020 | 6 | 6 |
| 2021 | 7 | 6 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cancellation technique for second harmonic distortion and spectral image in DACS and digital transmitters30 Dec 2025US 12,512,859 B2Avago Technologies International Sales Pte. Limited
- Redundant transmission for wideband radio systems24 Dec 2024US 12,176,931 B2Apple Inc.
- Software-defined communication system and device20 Aug 2024US 12,068,763 B2Urugus S.A.
- Redundant transmission for wideband radio systems19 Mar 2024US 11,936,407 B2Apple Inc.
- Low-complexity inverse sinc for RF sampling transmitters12 Sep 2023US 11,757,475 B2Texas Instruments Incorporated
- Cancellation technique for second harmonic distortion and spectral image in dacs and digital transmitters31 Oct 2024US 2024/0361425 A1Avago Technologies Intemational Sales Pte. Limited
- Redundant transmission for wideband radio systems18 Jan 2024US 2024/0022266 A1Apple Inc.
- Multi-frequency sampling system19 Oct 2023US 2023/0336194 A1BAE Systems Information and Electronic Systems Integration Inc.
- Redundant transmission for wideband radio systems29 Sep 2022US 2022/0311457 A1Apple Inc.
- Software-defined communication system and device4 Aug 2022US 2022/0247431 A1Urugus S.A.
Most cited
By later US patents
- Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion275US 5,640,698 AStanford University · 1997
- Method and system for down-converting electromagnetic signals185US 6,061,551 AParkerVision, Inc. · 2000
- High speed sample and hold circuit and radio constructed therewith120US 5,339,459 AMotorola, Inc. · 1994
- Method and system for down-converting electromagnetic signals by sampling and integrating over apertures113US 6,266,518 B1ParkerVision, Inc. · 2001
- Method and circuit for down-converting a signal using a complementary FET structure for improved dynamic range102US 6,687,493 B1ParkerVision, Inc. · 2004